Home / 157,652,564.80-236,655,794.40-121,909,230.40

Finding the Fourth Proportional to 157,652,564.80, 236,655,794.40 and 121,909,230.40

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Solution

The fourth proportional to 157,652,564.80, 236,655,794.40 and 121,909,230.40 is: 183,000,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,652,564.80 : 236,655,794.40 = 121,909,230.40 : x
  2. Step 2: Convert to fraction form
    157,652,564.80/236,655,794.40 = 121,909,230.40/x
  3. Step 3: Cross multiply
    157,652,564.80x = 236,655,794.40 × 121,909,230.40
  4. Step 4: Simplify right side
    157,652,564.80x = 28,850,525,765,004,632
  5. Step 5: Solve for x
    x = 28,850,525,765,004,632/157,652,564.80
  6. Step 6: Final answer
    x = 183,000,674.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.